THE ROAD TO REMOTE RECOVERY Robotics Revitalize Physical Therapy
Whether by necessity or convenience, the past few years have seen the rise of remote work and virtual interactions. With the touch of a computer key, people can now connect with colleagues and loved ones from anywhere in the world. Remote technologies also have the potential to revolutionize the field of physical therapy, offering individuals with limited mobility more options than ever to receive treatment without leaving their homes. Thanks to an ambitious professor in the Midwest, robotics designed to provide stroke patients and other individuals with disabilities with a thorough workout may soon be widely used — all from the comfort of their computer desks. Mobility From Milwaukee The latest evolution in robotic rehabilitation technology, the iTbot, is a portable robotic arm used in tandem with virtual reality to assess and treat physical therapy patients who cannot attend in-person sessions. It is the brainchild of Habib Rahman, a professor of mechanical engineering at the University of Wisconsin-Milwaukee’s College of Engineering & Applied Science, who is currently testing it for public use. Similar to online games that allow players worldwide to interact with one another, the iTbot connects therapists and patients for remote sessions that track movement and collect data in real time. Using tablets or home computers, patients engage in various activities — such as moving the iTbot to touch “balls” that spread further apart on the screen — which test their mobility and generate information that appears on the therapist’s screen. Therapists can calibrate or adjust the iTbot’s arm remotely based on the patient’s needs and abilities as the session progresses.
the physical robotic arm as the patient uses it appears on the therapist’s screen,” Rahman explained in a university press release. “All that data the robotic arm collects in the real environment you can see on the digital twin.” Just as the iTbot may soon provide patients with a mobile means of treatment, it also has the potential to benefit therapists by reducing the burdens they experience when delivering continuous in-person care. “This kind of technological innovation is needed,” added Inga Wang, the university’s professor of occupational therapy, science and technology, in the release. “One- third of physical and occupational therapists themselves experience musculoskeletal injuries due to the physical demands of conventional therapy.”
Healing Through History While the iTbot represents the future of robotic
rehabilitation, the quest to incorporate machinery into physical therapy has spanned more than a century. In 1910, a patent was filed for an electric, motor-driven “movement cure apparatus” to help heart disease patients improve their walking abilities. Despite this early advancement, it would take another 70-plus years before the first robotic rehabilitation became commercially available. Called the MIT-Manus, it was developed to assist with limb movement, cognitive function, and motor relearning.
The creation of the iTbot has launched an exciting new era in robotics research. It offers hope to individuals whose physical ailments prevent them from
traveling to receive the therapy they need. Soon, all someone yearning to improve their quality of life will need is an internet connection and the will to succeed.
“We are essentially creating a digital twin of the patient’s evaluation — a virtual model of
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